1 files changed, 72 insertions, 0 deletions
diff --git a/include/zbar/QZBarImage.h b/include/zbar/QZBarImage.h
new file mode 100644
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--- /dev/null
+++ b/include/zbar/QZBarImage.h
@@ -0,0 +1,72 @@
+//------------------------------------------------------------------------
+//  Copyright 2008-2010 (c) Jeff Brown <spadix@users.sourceforge.net>
+//
+//  This file is part of the ZBar Bar Code Reader.
+//
+//  The ZBar Bar Code Reader is free software; you can redistribute it
+//  and/or modify it under the terms of the GNU Lesser Public License as
+//  published by the Free Software Foundation; either version 2.1 of
+//  the License, or (at your option) any later version.
+//
+//  The ZBar Bar Code Reader is distributed in the hope that it will be
+//  useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+//  of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU Lesser Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser Public License
+//  along with the ZBar Bar Code Reader; if not, write to the Free
+//  Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+//  Boston, MA  02110-1301  USA
+//
+//  http://sourceforge.net/projects/zbar
+//------------------------------------------------------------------------
+#ifndef _QZBARIMAGE_H_
+#define _QZBARIMAGE_H_
+
+/// @file
+/// QImage to Image type conversion wrapper
+
+#include <qimage.h>
+#include <zbar.h>
+
+namespace zbar
+{
+/// wrap a QImage and convert into a format suitable for scanning.
+
+class QZBarImage : public Image
+{
+public:
+    /// construct a zbar library image based on an existing QImage.
+
+    QZBarImage(const QImage &qimg) : qimg(qimg)
+    {
+	QImage::Format fmt = qimg.format();
+	if (fmt != QImage::Format_RGB32 && fmt != QImage::Format_ARGB32 &&
+	    fmt != QImage::Format_ARGB32_Premultiplied)
+	    throw FormatError();
+
+	unsigned bpl	= qimg.bytesPerLine();
+	unsigned width	= bpl / 4;
+	unsigned height = qimg.height();
+	set_size(width, height);
+	set_format(zbar_fourcc('B', 'G', 'R', '4'));
+#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
+	unsigned long datalen = qimg.sizeInBytes();
+#elif QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
+	unsigned long datalen = qimg.byteCount();
+#else
+	unsigned long datalen = qimg.numBytes();
+#endif
+	set_data(qimg.bits(), datalen);
+
+	if ((width * 4 != bpl) || (width * height * 4 > datalen))
+	    throw FormatError();
+    }
+
+private:
+    QImage qimg;
+};
+
+}; // namespace zbar
+
+#endif